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Measures of Dispersion — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsMeasures of Dispersion3 Marks
Question
“Algebraic signs are not taken into consideration in computing mean deviation.” Explain.
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Answer

While computing mean deviation, the $\pm$ signs of deviations are ignored, i.e., it considers all deviations positive. Absolute deviation is denoted by |D|. They are called absolute values of deviations, where the two parallel bars indicate that the absolute value is taken. This is also called "Modulus Value”.

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